Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1984-02-07
1987-02-03
Braun, Fred L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3SH, 355 14SH, G03G 1514
Patent
active
046406069
ABSTRACT:
An electrophotographic copying machine includes a photoreceptor for forming a latent image of a copy document, a transfer corona charger for transferring the latent image onto a copy document, a separation corona discharger for removing charges from the copy paper, and aid in the separation of the copy paper from the latent image. The corona discharge output of the separation corona discharger is adjustably changed depending on an amount of light reflected by the copy document to more effectively provide for the separation process.
REFERENCES:
patent: 3575502 (1971-04-01), Eppe
patent: 4277162 (1981-07-01), Kasahara et al.
patent: 4378153 (1983-03-01), Nishimura et al.
patent: 4536082 (1985-08-01), Motohashi et al.
Braun Fred L.
Sharp Kabushiki Kaisha
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